Ascertaining end-point titrimetry is a method to ascertain the end-pointin volumetric analysis, the automatic ascertaining end-point titratoris a new instrument manufac-tured according to the requirement of Titrimetry recorded Chinese Codex（Edition:77）which can be used to measure dia-zonium end-point indication. It has the advantages suchas high precision , exact measurement, convenient usage, stable performance compared with the methodsof using external indicatorwatching Fischer liquid ,It is an abso-luy necessaryinstrument to analyze solution for chemical labs, physic in-spection organizations, hospitals, phar-maceutical factoryso on
